Does it have anything in there about Time Clauses?

里面有关于时间状语从句的内容吗？

The two most common adverbial structures you will find are adverbs and prepositional phrases.

最常见的两种状语结构是副词和介词短语。

Words like before, after, when, because, since, if and even though can signal an adverb clause.

像 before，after，when，because，since，if 还有 even though这样的词是状语从句的标志。

So, you cannot use the present perfect tense with any kind of finished time expression.

，不能将现在完成时与任何表示完成时间的时间状语连用。

The adverbial phrase in the sentence provides more detail about how the action was performed.

句子中的状语短语提供了有关如何执行动作的更多详细信息。

His days were spent in isolation, writing code and fixing bugs, with the only repetition in his life being the adverbial expressions he habitually inserted into his sentences while writing documentation.

他的日子都是在与世隔绝中度过的，写代码和修复错误，他生命中唯一重复的就是他在写文档时习惯性地在句子中插入的状语表达。

I was amazed at all the vivid colours while l was snorkeling and looking down at the underwater world.

当我在浮潜，俯视着海底世界的时候，所有艳丽的色彩令我惊叹。语法提示：一般过去时，状语从句(while的用法)，过去进行时。